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Thomas Welch — 1920 US Census Record
Linked across censuses1920 United States Federal Census · San Bernardino, California
Our Model Tree links this Thomas Welch across the 1900, 1910 and 1920 US Censuses in San Bernardino, California (XGBoost, ~Confirmed) — first a head (b.~1866), then head of a 4-person household.
Age 54
b. ~1866
Male
Head
Born: Alabama
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | San Bernardino, California |
| Surname | Welch |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Additional Details | |
| Occupation | Conductor |
| Industry | Rail Road |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Occupation | Conductor |
| Township / Ward | San Bernardino City |
| Est. Birth Year | ~1866 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
4 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Walter Johnstone | Other | — | 34 | ~1886 |
| Emmett Welch | Son | — | 18 | ~1902 |
| Vella Johnstone | Daughter | — | 33 | ~1887 |
| Thomas Welch | Head | — | 54 | ~1866 |
Census Appearances
1900
San Bernardino, …
Head, age 35
San Bernardino, California · implied b. ~1865
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Welch |
| Given Name | Thomas L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Alabama |
| Birth Month | Nov |
| Birth Year | 1865 |
| Occupation | Loco. Engineer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1910
San Bernardino, …
Head, age 45
San Bernardino, California · implied b. ~1865 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Welch |
| Given Name | Thomas R |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Alabama |
| Years Married | 20 |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | Engineer |
| Industry | Locomotive |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1920
San Bernardino, …
Head, age 54
San Bernardino, California · implied b. ~1866 — 4 household members
| Surname | Welch |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | Conductor |
| Industry | Rail Road |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Thomas Welch across 3 US Census years (1900, 1910 and 1920) in San Bernardino, California, using XGBoost record linkage.
Show:
This person
Anchor record
Thomas Welch
Head · 1920 · age 54 · b. ~1866 · California
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — San Bernardino, California
Open full size
1920 US Federal Census — San Bernardino, California
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu129unit:0709)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Alfred E. Gorr | 40 | Head | Machinist | Illinois |
| 52 | Florence M. Gorr | 36 | Wife | — | New York |
| 53 | Fred W. Gorr | 16 | Son | — | California |
| 54 | Cecil E. Gorr | 13 | Son | — | California |
| 55 | Jacqueline A. Gorr | 11 | Daughter | — | California |
| 56 | Charles F. Bracey | 52 | Head | Fireman | Pennsylvania |
| 57 | Marie Bracey | 40 | Wife | — | Kansas |
| 58 | Lillian M. Bracey | 20 | Daughter | Stenographer | Kansas |
| 59 | Frank Lunsford | 50 | Head | Brakeman | Pennsylvania |
| 60 | Iona Lunsford | 44 | Wife | — | Pennsylvania |
| 61 | Ruth Lunsford | 20 | Daughter | Operator | Pennsylvania |
| 62 | Thomas Welch THIS PERSON | 54 | Head | Conductor | Alabama |
| 63 | Emmett Welch | 18 | Son | — | California |
| 64 | Walter Johnstone | 34 | Son-in-law | Machinist | New Mexico |
| 65 | Vella Johnstone | 33 | Daughter | — | California |
| 66 | William A. Harris | 42 | Head | Conductor | Illinois |
| 67 | Marguerite Harris | 42 | Wife | — | Indiana |
| 68 | Charles Lewis | 43 | Head | Conductor | Kentucky |
| 69 | Ada Lewis | 43 | Wife | — | Kansas |
| 70 | Marguerite Lewis | 18 | Daughter | — | Kansas |
| 71 | Hester Lewis | 15 | Daughter | — | California |
| 72 | Charles Lewis | 13 | Son | — | California |
| 73 | Robert Mariam | 54 | Head | Machinist | England |
| 74 | Mary Mariam | 52 | Wife | — | New Jersey |
| 75 | Houghton Castell | 32 | Lodger | Apprentice Machinist | Missouri |
| 76 | Moses Harvey | 34 | Lodger | Locomotive Engineer | New York |
| 77 | John Colwell | 63 | Head | Stationary Engineer | Indiana |
| 78 | Martha Colwell | 56 | Wife | — | Indiana |
| 79 | Thomas Johnson | 52 | Head | Roadmaster | Sweden |
| 80 | Helma Johnson | 47 | Wife | — | Sweden |
| 81 | Hester Johnson | 16 | Daughter | — | Arizona |
| 82 | Martha Johnson | 11 | Daughter | — | Oregon |
| 83 | Albert G. Johnson | 9 | Son | — | Arizona |
| 84 | Chauncey Hartman | 60 | Head | Hostler | Ohio |
| 85 | Nellie I. Hartman | 51 | Wife | — | Illinois |
| 86 | Albert Ray | 48 | Head | Roadmaster | Indiana |
| 87 | Lettie B. Ray | 50 | Wife | — | Illinois |
| 88 | Adam Isaac | 57 | Brother-in-law | Section Foreman | Virginia |
| 89 | Sarah Isaac | 52 | Sister | — | Indiana |
| 90 | William Payne | 38 | Head | Machinist | Tennessee |
| 91 | Wayne Payne | 41 | Wife | — | Wisconsin |
| 92 | Harriet Clark | 57 | Head | — | New York |
| 93 | Barbara Goddard | 70 | Head | Keeper | Scotland |
| 94 | Francis L. Goddard | 38 | Son | — | Illinois |
| 95 | Cyrus Perine | 67 | Head | Laborer | New York |
| 96 | Virginia Perine | 61 | Wife | — | New York |
| 97 | Sam Schock | 34 | Head | Painter | Michigan |
| 98 | Effie Schock | 34 | Wife | — | Kansas |
| 99 | Geraldine Schock | 9 | Daughter | — | Colorado |
| 100 | Effingham Schock | 7 | Son | — | Colorado |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)